1171323116 has 12 divisors (see below), whose sum is σ = 2138938032. Its totient is φ = 560197968.

The previous prime is 1171323089. The next prime is 1171323119. The reversal of 1171323116 is 6113231711.

It is not an unprimeable number, because it can be changed into a prime (1171323119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6365795 + ... + 6365978.

It is an arithmetic number, because the mean of its divisors is an integer number (178244836).

Almost surely, 2^1171323116 is an apocalyptic number.

It is an amenable number.

1171323116 is a deficient number, since it is larger than the sum of its proper divisors (967614916).

1171323116 is a wasteful number, since it uses less digits than its factorization.

1171323116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12731800 (or 12731798 counting only the distinct ones).

The product of its digits is 756, while the sum is 26.

The square root of 1171323116 is about 34224.5981130531. The cubic root of 1171323116 is about 1054.1253027088.

Adding to 1171323116 its reverse (6113231711), we get a palindrome (7284554827).

The spelling of 1171323116 in words is "one billion, one hundred seventy-one million, three hundred twenty-three thousand, one hundred sixteen".